I have wanted a GoPro for about 2 years now. I am going to Maldives in a month and my partner asked me to get an "underwater camera". So this is given me the excuse to add a GoPro to my list. So now the difficult part... What GoPro?! Initially I was going for the 'session'. Small light...

I'd like to do a time/nightlapse starting at about 5am, which is about 2 hours before sunrise, and will end a after sunrise. If I use the nightlapse setting will it auto adjust all the settings as it gets lighter outside? Or do I need to manually adjust iso, exposure, etc. over the course of...